. >>> meanwhile, tim tebow's brother got so excited after the ravens tweeted the broncos, he couldn't resist tweeting it out. since he lives in colorado, seems not everybody shared his happiness that night. >>> from two shades of tebow to "fifty shades of grey," if you like it, might enjoy watching the musical. don't expect it to be anything like the book. our felicia taylor looks at what the stage version could be like. >> reporter: racy, raunchy, risque? some might call it soft porn. it's the book that made women squeal with pleasure. ♪ want to open my eyes and see all 50 shades ♪ >> reporter: now on stage, others are belting out a different kind of tune in its honor. ♪ open your book open your mind ♪ >> the spoof is a titillating spectacle with plenty of sensuality. the stage version parodies eat rottic best seller by centering around a middle aged ladies book club obsessed with the more colorful parts which become the butt of jokes through a series of sketches. here we are with the cast of "50 shades" at their dress rehearsal to get a first look at the scenes before they a